1. back in business
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    13 Mar '05 14:06


    white to play

    this puzzle may be pretty easy, but anyway...

    who has advantage? which side wins?
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    13 Mar '05 14:141 edit
    Originally posted by Jusuh
    [fen]3q1b2/P7/2k5/p1p1p1p1/PpP1PpP1/NP3P2/4pK2/8 w - - 0 54[/fen]

    white to play

    this puzzle may be pretty easy, but anyway...

    who has advantage? which side wins?
    Black (unless the diagram is not what you intended).
    Let's see. 1N~ (or 1.a8Q+ Qxa8 and Black easily wins) 1...Kb7! /freeing the queen from the obligation of guarding the a8 square/ 2.Kxe2 (or else 2...Qd1 or 2...Qd2) 2...Be7 and the queen gets in through the h-file giving Black an easy win.
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    13 Mar '05 14:331 edit
    I remember once seeing the following position:

    Amazingly White can draw
  4. back in business
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    14 Mar '05 05:551 edit
    Originally posted by ilywrin
    I remember once seeing the following position:
    [fen]rkb5/1p6/pBp5/PPPp4/3Pp1P1/4Pp1p/5P1P/1K6 [/fen]
    Amazingly White can draw
    hard to see how white could draw that, seems like bxc6 is forced (otherwise after ...axb5 black has a passed pawn) and ...bxc6 g5 Bf5 and white king and rook can penetrate to kingside.

    anyway, my diagram is what I intented, and let me redefine my question.
    If you would be black in my diagram, would you win it against me?

  5. Joined
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    14 Mar '05 10:263 edits
    ilywrin, are you sure the White king is not on the c-file?
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    14 Mar '05 10:57
    I am positive 🙂
  7. Joined
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    14 Mar '05 10:58
    Originally posted by Jusuh

    anyway, my diagram is what I intented, and let me redefine my question.
    If you would be black in my diagram, would you win it against me?

    I believe so, yes 🙂.
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    14 Mar '05 17:16
    Originally posted by ilywrin
    I believe so, yes 🙂.
    i guess everyone, at first glance, would think position is forced win for black (even my fritz8 says that and resigns when playing as white). Anyway, humans dont need to think way computers do, and so they can find a cunning way to get to "stuck-position", where despite great material difference neither side can do progress. So position is a dead draw.

    Your position ilywrin bugs me really...still no idea
  9. Standard memberBigDogg
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    14 Mar '05 17:28
    Originally posted by Jusuh
    i guess everyone, at first glance, would think position is forced win for black (even my fritz8 says that and resigns when playing as white). Anyway, humans dont need to think way computers do, and so they can find a cunning way to get to "stuck-position", where despite great material difference neither side can do progress. So position is a dead draw.

    Your position ilywrin bugs me really...still no idea
    I need to think the way computers do! I'd love being a 2600 player...

    Anyway, I don't see how white is supposed to save the game. I agree with ilywrin that black should win. If there is a resource available for white, it's very well hidden.
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    14 Mar '05 17:311 edit
    Originally posted by BigDoggProblem
    If there is a resource available for white, it's very well hidden.
    I can see a draw if the king is on the c-file.
  11. Standard memberBigDogg
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    14 Mar '05 18:26
    Originally posted by THUDandBLUNDER
    I can see a draw if the king is on the c-file.
    Actually, I was talking about Jusuh's problem.
  12. Standard memberBigDogg
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    14 Mar '05 18:322 edits
    Originally posted by ilywrin
    I remember once seeing the following position:
    [fen]rkb5/1p6/pBp5/PPPp4/3Pp1P1/4Pp1p/5P1P/1K6 [/fen]
    Amazingly White can draw
    I think I found it, finally.

    1.Ba7+!! Kc7!
    A) 1...Rxa7 2.b6! and black is slower than in the main line.
    B) 1...Kxa7 2.b6+ Kb8 and black is again slower than main line.
    2.b6+ Kd7 3.Kc1 Ke7 4.Kd1 Be6 5.Ke1 Rg8 6.Kf1 Rxg4
    He can't let the white King hide in the corner and play for stalemate.
    7.Bb8!
    White's Bishop will watch the h2 pawn and his King will remain at f1. Black can't make progress.

    Edit: added stalemate trap
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    14 Mar '05 18:571 edit
    oh i never saw white king could get stalemated at h1...nice way!!

    if you solved this (really hard), you should be able solve another too
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    14 Mar '05 19:23
    Nice one, BiggDogg.
    I missed Bb8. 😕
  15. Joined
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    14 Mar '05 19:50
    Originally posted by Jusuh

    if you solved this (really hard), you should be able solve another too
    How come your first chess puzzle is able to befuddle Fritz?
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